net: add sysctl for enabling RFC 8335 PROBE messages

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Section 8 of RFC 8335 specifies potential security concerns of
responding to PROBE requests, and states that nodes that support PROBE
functionality MUST be able to enable/disable responses and that
responses MUST be disabled by default

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Andreas Roeseler 2021-03-29 18:45:29 -07:00 • committed by David S. Miller

parent 750f4fc2a1

commit f1b8fa9fa5

3 changed files with 16 additions and 0 deletions

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6

Documentation/networking/ip-sysctl.rst

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1

include/net/netns/ipv4.h

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9

net/ipv4/sysctl_net_ipv4.c

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